Fisheating Creek Campgrounds
Clear Sky Chart
History

This sumarizes the distribution of each different forecast outcome for the Fisheating Creek Campgrounds clear sky chart from 2005-11-05 to 2017-04-26.

This page is a summary of past forecasts. Even though it's based only on forecasts, some people use these pages as clue to a site's climate. But climate data based on actual observation should be preferred (if you can find it!).

Cloud, Transparency and Seeing forecasts are summarized individually. But because good observing conditions require a combination of minimum cloud cover, transparency and seeing, the individual forecast summaries can be difficult to interpret. The observing conditions section counts the combinations of conditions needed for common types of astronomical observation.

Observing Conditions

The following tables count the occurrence of the combinations of forecast and darkness conditions needed for different observations. Conditions are rated by by what percentage of the hours the observation would likely be attempted are usable.
Observation TypeMinimum conditions for hour to be usableOut of hours
Clear of CloudsTransparencySeeingSky Brightness
Planetary:50%(no limit)Average(no limit)Nighttime Hours
Deep Sky:70%Average(no limit)5.9Nighttime Hours
CCD Imaging:70%Below AveragePoor(no limit)Nighttime Hours

Percentages are of nighttime hours per month, or per year, when a particular observing conditions was met. Deep Sky percentages never exceed 50% because the moon is up half the time. Deep sky percentages are much lower for charts at high latitudes because of fewer dark hours in the summer.

Overall

PlanetaryData
Pts
Deep Sky
Max 60%
Data
Pts
Both Planetary and Deep Sky
Max 60%
Data
Pts
Either Planetary or Deep SkyData
Pts
CCD ImagingData
Pts
Night
63%
15601
20%
45598
16%
15562
66%
15562
29%
29065

By Month

MonthDays of MonthPlanetaryData
Pts
Deep Sky
Max 60%
Data
Pts
Both Planetary and Deep Sky
Max 60%
Data
Pts
Either Planetary or Deep SkyData
Pts
CCD ImagingData
Pts
January1st to 15thNight
55%
716
18%
2327
15%
716
60%
716
26%
1447
January16th to endNight
52%
768
25%
2433
20%
768
60%
768
31%
1434
February1st to 15thNight
51%
701
24%
2105
17%
698
58%
698
32%
1258
February16th to endNight
53%
631
29%
1791
18%
631
63%
631
39%
1018
March1st to 15thNight
55%
720
31%
1980
20%
720
64%
720
45%
1076
March16th to endNight
58%
768
27%
2112
22%
768
63%
768
42%
1205
April1st to 15thNight
65%
718
24%
1976
20%
718
68%
718
44%
1098
April16th to endNight
62%
704
27%
1802
16%
704
67%
704
42%
1077
May1st to 15thNight
72%
601
27%
1591
19%
601
75%
601
44%
922
May16th to endNight
75%
513
18%
1538
16%
513
76%
513
33%
957
June1st to 15thNight
69%
495
9%
1485
8%
495
69%
495
20%
1094
June16th to endNight
75%
495
8%
1485
6%
495
75%
495
22%
1082
July1st to 15thNight
69%
465
6%
1395
6%
465
69%
465
16%
1092
July16th to endNight
75%
522
6%
1469
7%
489
76%
489
21%
1089
August1st to 15thNight
77%
495
8%
1475
8%
492
77%
492
21%
1075
August16th to endNight
64%
700
5%
1918
5%
700
64%
700
15%
1488
September1st to 15thNight
62%
660
5%
1815
5%
660
63%
660
15%
1399
September16th to endNight
58%
657
6%
1815
7%
657
58%
657
15%
1419
October1st to 15thNight
69%
660
21%
1885
21%
660
71%
660
30%
1189
October16th to endNight
60%
704
22%
2112
23%
704
63%
704
29%
1309
November1st to 15thNight
65%
700
29%
2101
28%
700
71%
700
37%
1202
November16th to endNight
60%
720
29%
2160
25%
720
66%
720
34%
1282
December1st to 15thNight
60%
720
25%
2332
25%
720
64%
720
30%
1398
December16th to endNight
62%
768
23%
2496
23%
768
66%
768
31%
1455

Individual Forecasts

The length of each colored bar in the "occurrence of each Forecast" column is proportional to the number of times the chart forecast that color. The percentages are of the total number of hours per month, or per year, with a particular forecast. The colors as the same as those used in clear sky charts.

Note: Transparency probabilities are only counted for those hours that have 30% or less cloud cover. Seeing probabilities are only counted for those hours that have 80% or less cloud cover. If that's too tricky, try Observing Conditions instead.

Overall

Occurrence of each ForecastData
Points
Cloud CoverDay
8%5%37%7%46%6%6%8%34%
46046
Night
6%425%5%35%5%6%9%43%
45805
TransparencyDay
43%9%13%15%12%4
45747
Night
34%9%16%19%14%4
45608
SeeingDay
8%211%21%25%30%
5343
Night
8%216%33%28%10%
15611

By Month

Percentage Cloud Cover SE (2006-)
Color Meanings:
Overcast 90% covered 80% covered 70% covered 60% covered 50% covered 40% covered 30% covered 20% covered 10% covered Clear
MonthDays in MonthOccurrence of each ForecastData
Points
January1st to 15thDay
8%5%35%5%45%6%7%8%40%
1611
16th to endDay
9%4245%345%6%8%44%
1788
February1st to 15thDay
10%5%3443446%6%46%
1750
16th to endDay
6%4245%25%5%410%47%
1681
March1st to 15thDay
4225%5%45%46%8%50%
1980
16th to endDay
6%426%5%36%46%7%47%
2111
April1st to 15thDay
4325%6%46%6%7%7%44%
1972
16th to endDay
6%5%245%35%5%6%9%44%
2070
May1st to 15thDay
6%3246%35%6%6%9%45%
2037
16th to endDay
8%437%9%6%7%6%7%9%29%
2223
June1st to 15thDay
13%7%38%7%6%7%7%7%8%21%
2145
16th to endDay
10%7%49%9%5%8%7%7%8%21%
2145
July1st to 15thDay
10%8%49%9%5%9%7%7%9%18%
2145
16th to endDay
8%8%49%10%6%9%7%6%9%19%
2283
August1st to 15thDay
8%7%38%9%6%8%7%8%9%22%
2131
16th to endDay
8%8%411%9%6%9%8%6%7%18%
1930
September1st to 15thDay
7%7%410%11%6%8%7%6%10%18%
1815
16th to endDay
12%10%5%10%9%6%7%5%6%8%18%
1815
October1st to 15thDay
7%446%7%47%5%6%9%34%
1744
16th to endDay
9%5%26%6%45%46%8%39%
1760
November1st to 15thDay
6%5%26%5%35%5%6%8%46%
1757
16th to endDay
8%425%5%45%46%7%45%
1800
December1st to 15thDay
11%5%35%5%345%5%8%40%
1625
16th to endDay
5%425%5%35%6%7%10%42%
1728
January1st to 15thNight
8%5%25%5%36%46%9%40%
2327
16th to endNight
8%4245%345%6%8%45%
2433
February1st to 15thNight
9%5%2442435%8%47%
2103
16th to endNight
43244245%6%8%52%
1791
March1st to 15thNight
4213425%35%9%57%
1980
16th to endNight
3314325%5%5%8%54%
2112
April1st to 15thNight
421343446%8%56%
1976
16th to endNight
5%41242446%9%52%
1802
May1st to 15thNight
322443435%8%56%
1591
16th to endNight
6%3245%36%6%7%10%43%
1538
June1st to 15thNight
9%6%26%7%38%6%8%11%28%
1485
16th to endNight
5%5%27%6%36%8%8%12%31%
1485
July1st to 15thNight
8%6%37%8%46%7%8%9%27%
1485
16th to endNight
5%436%7%48%7%8%12%31%
1577
August1st to 15thNight
5%6%35%6%46%7%8%11%34%
1486
16th to endNight
10%5%26%8%5%6%7%8%11%27%
1918
September1st to 15thNight
6%6%38%7%48%7%8%10%27%
1815
16th to endNight
9%8%47%9%46%5%8%10%24%
1815
October1st to 15thNight
7%5%145%35%5%6%8%44%
1885
16th to endNight
10%5%24434448%45%
2112
November1st to 15thNight
6%424425%45%7%52%
2101
16th to endNight
7%5%2443445%8%49%
2160
December1st to 15thNight
7%4245%35%5%5%7%47%
2332
16th to endNight
5%5%245%35%5%6%8%47%
2496

Transparency (when cloud cover <= 30%)
Color Meanings:
Too cloudy to forecast Poor Below Average Average Above average Transparent
MonthDays in MonthOccurrence of each ForecastData
Points
January1st to 15thDay
39%8%9%19%18%4
1612
16th to endDay
35%6%8%20%21%7%
1788
February1st to 15thDay
35%49%18%19%12%
1752
16th to endDay
31%6%11%20%19%10%
1681
March1st to 15thDay
28%7%11%24%20%7%
1980
16th to endDay
32%7%10%21%19%8%
2112
April1st to 15thDay
33%8%13%21%18%5%
1972
16th to endDay
33%7%12%17%22%6%
2070
May1st to 15thDay
33%7%13%20%18%6%
2037
16th to endDay
45%12%13%16%11%
2227
June1st to 15thDay
56%11%14%13%3
2145
16th to endDay
56%13%16%11%2
2145
July1st to 15thDay
59%17%16%5%
2006
16th to endDay
57%13%18%9%
2128
August1st to 15thDay
52%15%24%7%
2118
16th to endDay
60%14%18%5%
1930
September1st to 15thDay
57%14%17%8%1
1815
16th to endDay
60%12%14%8%3
1815
October1st to 15thDay
42%9%12%15%15%4
1744
16th to endDay
40%6%11%13%18%9%
1760
November1st to 15thDay
34%5%9%20%19%9%
1757
16th to endDay
37%6%9%17%18%11%
1800
December1st to 15thDay
40%6%13%16%17%5%
1625
16th to endDay
33%8%14%20%17%6%
1728
January1st to 15thNight
38%7%13%20%15%4
2327
16th to endNight
33%6%11%23%18%6%
2433
February1st to 15thNight
34%5%8%19%21%11%
2112
16th to endNight
27%6%12%22%23%7%
1791
March1st to 15thNight
22%6%12%31%20%7%
1980
16th to endNight
25%6%14%25%20%7%
2112
April1st to 15thNight
22%7%16%29%16%6%
1976
16th to endNight
27%6%12%24%23%5%
1802
May1st to 15thNight
23%7%15%27%18%5%
1592
16th to endNight
31%10%20%24%14%
1540
June1st to 15thNight
45%12%21%14%4
1485
16th to endNight
40%16%24%14%3
1485
July1st to 15thNight
48%16%25%8%1
1395
16th to endNight
39%18%27%13%
1469
August1st to 15thNight
38%18%30%12%
1475
16th to endNight
45%19%24%9%
1918
September1st to 15thNight
47%17%21%11%1
1815
16th to endNight
50%15%17%12%3
1815
October1st to 15thNight
34%9%17%16%18%3
1885
16th to endNight
36%7%12%13%22%8%
2112
November1st to 15thNight
30%5%11%20%23%8%
2101
16th to endNight
32%6%9%21%19%11%
2160
December1st to 15thNight
34%7%12%23%16%5%
2332
16th to endNight
31%8%14%21%19%5%
2496

Seeing (when cloud cover <= 80%)
Color Meanings:
Too cloudy to forecast Bad 1/5 Poor 2/5 Average 3/5 Good 4/5 Excellent 5/5
MonthDays in MonthOccurrence of each ForecastData
Points
January1st to 15thDay
20%5%28%27%15%2
90
16th to endDay
15%9%30%28%11%5%
96
February1st to 15thDay
5%7%25%30%21%10%
90
16th to endDay
6%426%39%23%
182
March1st to 15thDay
3227%34%27%4
270
16th to endDay
5%418%31%34%4
288
April1st to 15thDay
3318%32%31%10%
270
16th to endDay
6%113%27%34%16%
254
May1st to 15thDay
7%5%21%37%28%
228
16th to endDay
5%5%17%32%37%
267
June1st to 15thDay
12%15%12%18%48%
255
16th to endDay
7%15%20%64%
255
July1st to 15thDay
6%16%15%69%
245
16th to endDay
7%212%14%61%
270
August1st to 15thDay
7%28%17%63%
253
16th to endDay
11%138%18%57%
268
September1st to 15thDay
7%312%19%56%
255
16th to endDay
9%310%26%49%
254
October1st to 15thDay
7%17%28%35%20%
255
16th to endDay
12%119%28%26%12%
272
November1st to 15thDay
9%110%29%34%15%
265
16th to endDay
8%220%35%28%4
270
December1st to 15thDay
18%330%31%13%2
95
16th to endDay
4118%35%34%6%
96
January1st to 15thNight
9%5%22%39%21%1
720
16th to endNight
10%327%43%14%
768
February1st to 15thNight
11%326%42%13%
704
16th to endNight
7%328%47%12%
631
March1st to 15thNight
5%331%42%15%
720
16th to endNight
4226%47%18%
768
April1st to 15thNight
5%222%48%21%
718
16th to endNight
7%221%45%22%
704
May1st to 15thNight
413%47%30%2
602
16th to endNight
5%7%37%39%9%
515
June1st to 15thNight
8%25%22%43%17%
495
16th to endNight
7%212%45%31%
495
July1st to 15thNight
8%28%43%36%
465
16th to endNight
427%42%42%
522
August1st to 15thNight
6%28%41%40%
495
16th to endNight
12%1411%37%32%
700
September1st to 15thNight
10%6%13%41%27%
660
16th to endNight
13%6%17%42%19%
657
October1st to 15thNight
10%8%37%35%8%
660
16th to endNight
13%115%32%30%5%
704
November1st to 15thNight
7%117%41%29%2
700
16th to endNight
8%222%41%22%1
720
December1st to 15thNight
8%320%41%25%1
720
16th to endNight
7%221%39%26%2
768
Page generated at 2017-04-27 17:48:47. Version ac04

Copyright 2017 A. Danko


Fisheating Creek Campgrounds Clear Sky Chart | Charts Home